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(Fexpand_file_name) [DOS_NT]: Don't try to support "superroot"

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on DOS_NT systems.
This commit is contained in:
Eli Zaretskii 2005-05-21 15:28:57 +00:00
parent bb4afd0918
commit aa4060b96f
2 changed files with 14 additions and 1 deletions
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5
src/ChangeLog
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@ -1,3 +1,8 @@
2005-05-21 Eli Zaretskii <eliz@gnu.org>
* fileio.c (Fexpand_file_name) [DOS_NT]: Don't try to support
"superroot" on DOS_NT systems.
2005-05-21 David Hunter <hunterd42@comcast.net> (tiny change)
* process.c (send_process): Restore the SIGPIPE handler if we

10
src/fileio.c
View File

@ -1651,8 +1651,16 @@ See also the function `substitute-in-file-name'. */)
p += 2;
}
else if (IS_DIRECTORY_SEP (p[0]) && p[1] == '.' && p[2] == '.'
/* `/../' is the "superroot" on certain file systems. */
/* `/../' is the "superroot" on certain file systems.
Turned off on DOS_NT systems because they have no
"superroot" and because this causes us to produce
file names like "d:/../foo" which fail file-related
functions of the underlying OS. (To reproduce, try a
long series of "../../" in default_directory, longer
than the number of levels from the root.) */
#ifndef DOS_NT
&& o != target
#endif
&& (IS_DIRECTORY_SEP (p[3]) || p[3] == 0))
{
while (o != target && (--o) && !IS_DIRECTORY_SEP (*o))